From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 257CFC33CAF for ; Thu, 16 Jan 2020 17:16:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F01E02075B for ; Thu, 16 Jan 2020 17:16:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579195004; bh=Ysv8L239get3oPhx1o8qSrierBPs9oAoNclaPkJv/K4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=MdJgjzQsXYKXj3cSdMnX0U8shh8QpYYVVq4lmO8FJAFCXInp3/hZXNNfpN+veqKs4 QoL9usiXXQ6Mtiz84xCkgAPp4Kk0tXZ4J3V4DZU64yQGV68SBUnOnIcdiRReua6fBb vCfzkOhBx8WIxlWngYzXTKRJNgoWaFxaZufnsH28= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390651AbgAPRQm (ORCPT ); Thu, 16 Jan 2020 12:16:42 -0500 Received: from mail.kernel.org ([198.145.29.99]:60590 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390862AbgAPROF (ORCPT ); Thu, 16 Jan 2020 12:14:05 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 0FBCC246B0; Thu, 16 Jan 2020 17:14:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579194843; bh=Ysv8L239get3oPhx1o8qSrierBPs9oAoNclaPkJv/K4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LwX9HGoqDZcsOq942tgFMQo6Ro8Jh1uVWAsGwUTq6vFzwk6abEE158KJuQOTLMP4I ySwcBPuz5J5fKawVxtldaMtjsPqBp+X68n++ZjS+jDI8dPoAMsLNRlNzke3HuHQ4VY NnEXtQhw5QcR1XpucMfZ57WOx61LpzAaq1rmEXCs= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jarkko Nikula , Chris Chiu , Andy Shevchenko , Lee Jones , Sasha Levin Subject: [PATCH AUTOSEL 4.19 642/671] mfd: intel-lpss: Add default I2C device properties for Gemini Lake Date: Thu, 16 Jan 2020 12:04:40 -0500 Message-Id: <20200116170509.12787-379-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200116170509.12787-1-sashal@kernel.org> References: <20200116170509.12787-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jarkko Nikula [ Upstream commit 3f31bc67e4dc6a555341dffefe328ddd58e8b431 ] It turned out Intel Gemini Lake doesn't use the same I2C timing parameters as Broxton. I got confirmation from the Windows team that Gemini Lake systems should use updated timing parameters that differ from those used in Broxton based systems. Fixes: f80e78aa11ad ("mfd: intel-lpss: Add Intel Gemini Lake PCI IDs") Tested-by: Chris Chiu Signed-off-by: Jarkko Nikula Acked-by: Andy Shevchenko Signed-off-by: Lee Jones Signed-off-by: Sasha Levin --- drivers/mfd/intel-lpss-pci.c | 28 ++++++++++++++++++++-------- 1 file changed, 20 insertions(+), 8 deletions(-) diff --git a/drivers/mfd/intel-lpss-pci.c b/drivers/mfd/intel-lpss-pci.c index c37c8bb86068..742d6c1973f4 100644 --- a/drivers/mfd/intel-lpss-pci.c +++ b/drivers/mfd/intel-lpss-pci.c @@ -126,6 +126,18 @@ static const struct intel_lpss_platform_info apl_i2c_info = { .properties = apl_i2c_properties, }; +static struct property_entry glk_i2c_properties[] = { + PROPERTY_ENTRY_U32("i2c-sda-hold-time-ns", 313), + PROPERTY_ENTRY_U32("i2c-sda-falling-time-ns", 171), + PROPERTY_ENTRY_U32("i2c-scl-falling-time-ns", 290), + { }, +}; + +static const struct intel_lpss_platform_info glk_i2c_info = { + .clk_rate = 133000000, + .properties = glk_i2c_properties, +}; + static const struct intel_lpss_platform_info cnl_i2c_info = { .clk_rate = 216000000, .properties = spt_i2c_properties, @@ -165,14 +177,14 @@ static const struct pci_device_id intel_lpss_pci_ids[] = { { PCI_VDEVICE(INTEL, 0x1ac6), (kernel_ulong_t)&bxt_info }, { PCI_VDEVICE(INTEL, 0x1aee), (kernel_ulong_t)&bxt_uart_info }, /* GLK */ - { PCI_VDEVICE(INTEL, 0x31ac), (kernel_ulong_t)&bxt_i2c_info }, - { PCI_VDEVICE(INTEL, 0x31ae), (kernel_ulong_t)&bxt_i2c_info }, - { PCI_VDEVICE(INTEL, 0x31b0), (kernel_ulong_t)&bxt_i2c_info }, - { PCI_VDEVICE(INTEL, 0x31b2), (kernel_ulong_t)&bxt_i2c_info }, - { PCI_VDEVICE(INTEL, 0x31b4), (kernel_ulong_t)&bxt_i2c_info }, - { PCI_VDEVICE(INTEL, 0x31b6), (kernel_ulong_t)&bxt_i2c_info }, - { PCI_VDEVICE(INTEL, 0x31b8), (kernel_ulong_t)&bxt_i2c_info }, - { PCI_VDEVICE(INTEL, 0x31ba), (kernel_ulong_t)&bxt_i2c_info }, + { PCI_VDEVICE(INTEL, 0x31ac), (kernel_ulong_t)&glk_i2c_info }, + { PCI_VDEVICE(INTEL, 0x31ae), (kernel_ulong_t)&glk_i2c_info }, + { PCI_VDEVICE(INTEL, 0x31b0), (kernel_ulong_t)&glk_i2c_info }, + { PCI_VDEVICE(INTEL, 0x31b2), (kernel_ulong_t)&glk_i2c_info }, + { PCI_VDEVICE(INTEL, 0x31b4), (kernel_ulong_t)&glk_i2c_info }, + { PCI_VDEVICE(INTEL, 0x31b6), (kernel_ulong_t)&glk_i2c_info }, + { PCI_VDEVICE(INTEL, 0x31b8), (kernel_ulong_t)&glk_i2c_info }, + { PCI_VDEVICE(INTEL, 0x31ba), (kernel_ulong_t)&glk_i2c_info }, { PCI_VDEVICE(INTEL, 0x31bc), (kernel_ulong_t)&bxt_uart_info }, { PCI_VDEVICE(INTEL, 0x31be), (kernel_ulong_t)&bxt_uart_info }, { PCI_VDEVICE(INTEL, 0x31c0), (kernel_ulong_t)&bxt_uart_info }, -- 2.20.1